This part is a kind of semiconductor called CS2012-32.768K.

Function of this product has MINIATURE CERAMIC SMD TUNING FORK CRYSTAL.

Manufacturers : Transko

Image and pinout :

Some of the text within the PDF file :

CS2012 - 32.768K MINIATURE CERAMIC SMD TUNING FORK CRYSTAL (2 x 1.2 x 0.6mm) FEATURES:  SMALLEST CERAMIC SMD PACKAGE 32.768KHz  EXCELLENT HEAT RESISTANCE  -40°C TO 85°C OPERATING TEMPERATURE MODEL CS2012 FREQUENCY FREQUENCY TOLERANCE @ 25°C ± 2°C OPERATING TEMPERATURE TURN OVER TEMPERATURE TEMPERATURE COEFFICIENT STORAGE TEMPERATURE LOAD CAPACITANCE 32.768KHz ± 20ppm max. -40°C to 85°C 25°C ± 5°C -0.045 x 10-6 / ºC2Max -40°C to 85°C 12.5pF SHUNT CAPACITANCE ESR DRIVE LEVEL 2.0pF typical 90K max. 0.5uW max AGING (First Year) ± 3.0ppm max. @ 25°C ± 3°C RoHS Compliant PACKAGE DIMENSIONS Marking 2.0 SOLDER PATTERN 0.6 0.6 1.1 REFLOW PROFILE Soldering 255 ±5°C Pre-heating 150 ±5°C 0.8 <120 Sec <10 Sec Unit :mm Note: Consult factory for deta [ ... ]

CS2012-32.768K PDF Datasheet Download